Nissan Armada 2025-2026 Service and Repair Manual: Diagnosis and Repair Workflow

Work Flow

OVERALL SEQUENCE

DETAILED FLOW

INTERVIEW FOR MALFUNCTION

It is also important to clarify the customer concerns before starting the inspection. Interview the customer about the concerns carefully and understand the symptoms fully.

NOTE:

The customers are not professionals. Never assume that “maybe the customer means···” or “maybe the customer mentioned this symptom”.

>>

GO TO 2.

SELF-DIAGNOSIS WITH CONSULT

With CONSULT

Perform self-diagnosis of ”SONAR” using CONSULT. Refer to CONSULT Function.

NOTE:

Skip to step 4 of the diagnosis procedure if “SONAR” is not displayed.

Is any DTC detected?

YES>>

GO TO 3.

NO>>

GO TO 4.

TROUBLE DIAGNOSIS FOR DTC

1. Check the DTC indicated in the “Self Diagnostic Result”.

2. When DTC is detected, follow the instructions below:

   • Record DTC

   • Freeze Frame Data (FFD)

3. Perform the relevant diagnosis referring to the DTC Index. Refer to DTC Index.

>>

GO TO 5.

SYMPTOM DIAGNOSIS

Perform the applicable diagnosis according to the diagnosis chart by symptom. Refer to Symptom Table.

>>

GO TO 5.

MALFUNCTIONING PART REPAIR

Repair or replace the identified malfunctioning parts.

>>

GO TO 6.

REPAIR CHECK (SELF-DIAGNOSIS WITH CONSULT)

With CONSULT

1. Erases self-diagnosis results.

2. Perform self-diagnosis of “SONAR” again after repairing or replacing the specific items.

3. Check if any DTC is detected in self-diagnosis results of “SONAR” .

Is any DTC detected?

YES>>

GO TO 3.

NO>>

GO TO 7.

REPAIR CHECK (OPERATION TEST)

Perform operation test. Check that the malfunction symptom is solved or no other symptoms occur.

Is there a malfunction symptom?

YES>>

GO TO 4.

NO>>

INSPECTION END